TEST-FIX: fixing vtkFiltersCorePython-TestTensorGlyph
TEST-FIX: fixing vtkFiltersCorePython-TestTensorGlyph

Using add_test_python1() instead of add_test_python() since this test is
independently checking against the image.

Change-Id: I6dd8376a17eb27992cfd01456fca401da11ebbf4

collects/VTK,demarle/VTK,candy7393/VTK,hendradarwin/VTK,keithroe/vtkoptix,SimVascular/VTK,demarle/VTK,hendradarwin/VTK,hendradarwin/VTK,sankhesh/VTK,sankhesh/VTK,jmerkow/VTK,johnkit/vtk-dev,gram526/VTK,SimVascular/VTK,msmolens/VTK,mspark93/VTK,candy7393/VTK,johnkit/vtk-dev,hendradarwin/VTK,jmerkow/VTK,gram526/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,msmolens/VTK,johnkit/vtk-dev,sankhesh/VTK,johnkit/vtk-dev,msmolens/VTK,hendradarwin/VTK,demarle/VTK,candy7393/VTK,biddisco/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,biddisco/VTK,berendkleinhaneveld/VTK,gram526/VTK,ashray/VTK-EVM,johnkit/vtk-dev,keithroe/vtkoptix,candy7393/VTK,ashray/VTK-EVM,jmerkow/VTK,sumedhasingla/VTK,demarle/VTK,sankhesh/VTK,SimVascular/VTK,SimVascular/VTK,johnkit/vtk-dev,sumedhasingla/VTK,sankhesh/VTK,hendradarwin/VTK,sumedhasingla/VTK,demarle/VTK,jmerkow/VTK,sumedhasingla/VTK,gram526/VTK,candy7393/VTK,SimVascular/VTK,jmerkow/VTK,collects/VTK,hendradarwin/VTK,sankhesh/VTK,demarle/VTK,ashray/VTK-EVM,msmolens/VTK,candy7393/VTK,demarle/VTK,SimVascular/VTK,gram526/VTK,SimVascular/VTK,gram526/VTK,biddisco/VTK,keithroe/vtkoptix,jmerkow/VTK,SimVascular/VTK,candy7393/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,johnkit/vtk-dev,demarle/VTK,collects/VTK,msmolens/VTK,biddisco/VTK,jmerkow/VTK,mspark93/VTK,mspark93/VTK,gram526/VTK,sumedhasingla/VTK,collects/VTK,sumedhasingla/VTK,collects/VTK,collects/VTK,ashray/VTK-EVM,msmolens/VTK,keithroe/vtkoptix,keithroe/vtkoptix,ashray/VTK-EVM,gram526/VTK,mspark93/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,mspark93/VTK,mspark93/VTK,berendkleinhaneveld/VTK,biddisco/VTK,sankhesh/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,keithroe/vtkoptix,biddisco/VTK,mspark93/VTK,ashray/VTK-EVM,sumedhasingla/VTK,biddisco/VTK,msmolens/VTK,sankhesh/VTK,keithroe/vtkoptix,msmolens/VTK,candy7393/VTK,mspark93/VTK